On Mon, Apr 19, 2004 at 01:02:36PM -0500, Jonathan Scott Duff wrote:
: Quoting A12...
: > Note that an attribute declaration of the form
: >
: > has Tail $wagger .= new(...)
: >
: > might not do what you want done when you want it done, if what you
: > want done is to create a new Dog object each time an object is built.
: > For that you'd have to say:
: >
: > has Tail $wagger = { .new(...) }
: >
: > or equivalently,
: >
: > has Tail $wagger will build { .new(...) }
:
: Since $wagger is meant to be an object attribute, shouldn't it have a
: dot? And is omitting the dot an error?
:
: has Tail $.wagger = { .new(...) } # right?
Yes, and yes.
: Also, based on the earlier assertion that closure valued attributes
: get the attribute as the topic, shouldn't the text say "to create a
: new Tail object" rather than "Dog"? i.e.,
:
: has Tail $.wagger = { .new(...) } # is the same as
: has Tail $.wagger = { $.wagger.new(...) }
:
: which does some appropriate magic to call Tail.new because $.wagger
: hasn't been initialized yet. Or is Tail also a Dog somehow? What happens
: if the attribute is untyped? Presumably that's an error.
Yes, it should have said "Tail".
Larry
